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NOX TEST 700 1985

posted by  chris herbst on  Thu Oct 3 14:35 CST 2002
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last visit: Mon Oct 20 20:32 CST 2014
[RELATED]

If the converter is original, I would bet it's empty. A good running car can still pass on HC and CO. The IM240 test that they've been using is nailing people left and right on NOx, and mostly it's due to bad converters. Vacuum leaks, lean mixtures (for other reasons) and bad combustion chamber deposits are among the things that might be causing problems. I'd still say, if you are driving on a 1985 cat (still 3-way but old) it is gone.
--
1992 940 wagon, very low miles
as well as others.






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